September Weather in Weligama, Sri Lanka

Last updated: March 19, 2025

September in Weligama, Sri Lanka, offers a warm tropical climate that captivates visitors. With maximum temperatures reaching 31°C (88°F) and an average of 26°C (80°F), the weather remains delightfully balmy. However, the month is marked by significant rainfall, accumulating 209 mm (8.2 in) over 26 days, creating a lush, vibrant landscape. Humidity hovers around 82%, adding to the tropical atmosphere. Whether you're seeking adventure or relaxation, September in Weligama presents a unique blend of warmth and lush greenery, perfect for experiencing the charm of this coastal paradise.

September Temperature in Weligama

In September, Weligama, Sri Lanka, experiences a delightful transition as temperatures remain pleasantly warm. The minimum temperature hovers around 23°C (74°F), providing a comfortable backdrop for daily activities. With an average of 26°C (80°F), this month strikes a balance between the lingering warmth of the summer and the forthcoming cooler months. The maximum reaching around 31°C (88°F) still invites beachgoers to revel in the sun, although it's slightly less intense than the peak summer swelter. As the rainy season approaches, the consistent warmth makes September a lovely time for exploring Weligama's stunning coastline and vibrant culture. Overall, the climate promises a mix of sun and occasional showers, ensuring lively days filled with warmth and a refreshing ocean breeze.

September Weather in Weligama: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Weligama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec798081818181818080797979
Data source: Temperature data for Weligama generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Weligama

In September, Weligama experiences a notable increase in precipitation, with 209 mm (8.2 in) of rain falling over 26 days. This marks a continuation of the wet season, building upon the heavy rainfall from previous months like May and June, which saw the highest totals of the year. As the month progresses, the intensity of rain usually intensifies, creating an atmosphere rich in lush greenery, making it a vibrant time for the local landscape. Following September, the precipitation peaks in October, signaling the climax of the monsoon season, while rainfall gradually tapers off into the year’s final months. Overall, September stands as a crucial month for replenishing the region's water resources, leaving a lasting impact on both the environment and local agriculture.

September Precipitation Trends in Weligama

The chart displays monthly precipitation patterns in Weligama, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec8577121173252189156170209258261188
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Weligama

In September, Weligama, Sri Lanka experiences a humidity level of 82%, following a summer trend characterized by consistently high moisture in the air. The month marks a slight decrease from the 83% observed in October but maintains similar levels to the preceding August. Notably, the humidity has hovered between 76% and 83% throughout the year, with the June peak at 83% marking the height of the monsoon season. As the year progresses, humidity tends to stabilize, revealing an overall pattern of tropical wetness that shapes the coastal atmosphere, making Weligama a lush and vibrant destination year-round.

September Average Humidity in Weligama

This chart illustrates the average monthly humidity levels in Weligama, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%77%77%76%83%81%83%82%83%81%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Weligama

September in Weligama, Sri Lanka, continues the trend of extreme UV exposure, with a UV Index of 14 that requires caution for sun seekers, particularly since the burn time remains a swift 10 minutes. This month’s index mirrors the intense sunlight of August and maintains the high levels seen earlier in the year. As the dry season approaches, the consistent extreme ratings signal a need for sun protection strategies. Visitors planning outdoor activities should be mindful and prepare accordingly to enjoy the beautiful surroundings safely. For more information on UV conditions throughout the year, visit Weligama UV Index.

Maximum UV Index Levels in Weligama for September

The chart shows the monthly maximum UV Index (UVI) for Weligama in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec131415151412131414131111
Data source: Weligama September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Weligama

September in Weligama, Sri Lanka, brings a delightful blend of warmth and sunshine, boasting 317 hours of bright daylight. This month holds a special charm, nestled between the vibrant summer months of July and August, which are the sunniest with 339 and 336 hours respectively. As the summer wanes, September's hours remain commendably high despite a slight dip, hinting at a gradual transition into the cooler months ahead. The trend shows that even as the year progresses, Weligama consistently enjoys abundant sunshine, making it an ideal destination for sun-seekers and adventure enthusiasts alike. With October and November bringing a gentle decrease in sunlight hours, September remains a radiant gem in the spectrum of Sri Lanka’s tropical allure.

Monthly Sunshine Duration in Weligama: September Highlighted

The September sunshine duration represents the total number of hours Weligama experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec273h311h334h332h329h333h339h336h317h315h294h309h
Data source: Weligama September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Weligama During September

In Weligama, Sri Lanka, the month of September presents a 21% chance of sunny weather, which slightly improves upon the gloomy summer months of July and August, where sunshine probabilities dip to 15% and 8%, respectively. This moderate likelihood sets the stage for the transition towards more favorable conditions as the island approaches October. Overall, September stands as a gentle bridge, hinting at the sunnier days of early spring and December, which boasts an encouraging 44% chance of sun. While it may not be the sunniest month, the potential for enjoyable weather makes September an appealing option for travelers seeking a balance between warm temperatures and scenic beauty.

Percentage of Sunny Days in September in Weligama

The chart illustrates the percentage of sunny days in Weligama throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Weligama experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%38%34%45%16%23%15%8%21%18%17%44%
Data source: Weligama September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Weligama in September

In September, Weligama, Sri Lanka, enjoys a consistent 12 hours of daylight, a trend that begins in March and continues through to the end of August. This steady duration allows for ample time to soak in the sun, surf the waves, or explore the stunning coastal scenery. As the year transitions into October, the daylight begins to wane, dropping back to 11 hours. This rhythmic ebb and flow of daylight not only highlights the region's tropical charm but also sets the perfect stage for both relaxation and adventure under the Sri Lankan sun.

Average Daylight Hours in Weligama for September

The chart illustrates the variation in daylight duration in Weligama throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 48m11h 55m12h 4m12h 14m12h 22m12h 26m12h 24m12h 17m12h 7m11h 58m11h 50m11h 46m
Data source: Weligama daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Weligama

As September rolls into Weligama, Sri Lanka, the winds begin their gentle descent, averaging 5.0 m/s (11 mph)—a slight dip from the more robust gusts experienced in the preceding months of July and August. This transition marks a shift in the seasonal rhythm, as the coastal breezes, which peaked at 5.8 m/s (13 mph) in July, gradually mellow into a softer embrace. Following the transition from the vibrant summer winds, September still retains enough strength to invigorate outdoor activities, yet hints at the calmer air of October, which sees a further reduction in speed. This delightful interplay of wind speeds not only enhances the charm of Weligama's coastline but also signals the approach of a tranquil yet captivating season.

Average September Wind Speed in Weligama

The chart displays monthly wind speed patterns in Weligama, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.92.42.74.15.35.85.25.0 m/s4.33.92.1
Data source: Weligama September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Weligama Compares to Other Months

The weather in Weligama changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Weligama and find detailed weather information for every month.

September and January showcase different climatic characteristics despite having similar average temperatures. In September, the weather is generally more humid and wetter, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F) and experiencing high precipitation levels of 209 mm (8.2 in) over 26 days. In contrast, January tends to be drier with significantly less rainfall, only 85 mm (3.3 in) across 12 days, and features slightly warmer highs reaching up to 34°C (93°F). Overall, while both months boast an average temperature of 26°C (80°F), January offers a more comfortable and pleasant climate. For more details, check out Weligama weather in January.

In September, the weather is characterized by warm temperatures, with an average of 26°C (80°F) and maximum highs reaching up to 31°C (88°F). This month experiences significant rainfall, totaling 209 mm (8.2 in) over 26 days, accompanied by high humidity levels at 82%. In contrast, February offers slightly cooler minimum temperatures at 21°C (71°F) but can reach maximum highs of 35°C (95°F), presenting more favorable conditions for outdoor activities. Precipitation drops significantly to 77 mm (3.0 in) over just 13 days, with humidity at a lower 77%. For more information, you can check Weligama weather in February.

In comparing the weather of September and March, we notice some notable differences. September typically experiences minimum temperatures around 23°C (74°F) and averages 26°C (80°F), while March sees slightly higher averages with a minimum of 23°C (73°F) and an average of 27°C (81°F). However, March can reach maximum temperatures of up to 34°C (94°F), making it generally warmer compared to September, which peaks at 31°C (88°F).

Precipitation levels also differ significantly; September receives about 209 mm (8.2 in) of rain over an average of 26 days, indicating a wetter month, while March has less rainfall at 121 mm (4.8 in) over 21 days. Additionally, humidity in September is noticeably higher at 82%, compared to 77% in March. For a more detailed look at March weather, you can visit Weligama weather in March.

In comparing the weather between September and April, we see some notable differences. Both months have a similar minimum temperature of 23°C (74°F), but April tends to be slightly warmer overall, with an average temperature of 27°C (82°F) compared to September’s 26°C (80°F), peaking at a maximum of 33°C (92°F) versus September's 31°C (88°F). While both months experience high humidity—82% in September and 77% in April—September sees more significant rainfall, with 209 mm (8.2 in) over 26 days, compared to April's 172 mm (6.8 in) spread over 25 days. For more detailed insights on April weather, you can check Weligama weather in April.

When comparing the weather in September and May, both months exhibit warm temperatures, but May tends to be slightly warmer overall. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), while May features a minimum of 24°C (75°F) and peaks at 32°C (90°F). September experiences a high amount of rainfall, with 209 mm (8.2 in) over 26 days, compared to May, which sees even more precipitation at 252 mm (9.9 in) across 29 days. Additionally, September's humidity is higher at 82%, whereas May has a more comfortable humidity level of 76%. For those interested in a detailed look at May's weather, you can visit Weligama weather in May.

In comparing the weather of September and June, we see that both months have relatively high temperatures, with September having a minimal temperature of 23°C (74°F) and June slightly higher at 24°C (75°F). The average temperatures are quite similar, with September averaging 26°C (80°F) and June at 27°C (81°F). However, September experiences a higher maximum temperature of 31°C (88°F) compared to June's 32°C (89°F). Precipitation levels are noteworthy; September sees 209 mm (8.2 in) of rain over 26 days, while June has slightly less with 189 mm (7.4 in), spread over 28 days. Humidity levels are also comparable, with September at 82% and June at 83%. For further details on the June climate, you can check the details here: Weligama weather in June.

When comparing the weather in September and July, both months present similar temperature ranges, with September showing a minimum temperature of 23°C (74°F) and an average of 26°C (80°F), while July has a slightly higher average temperature of 27°C (81°F). Both months reach a maximum of 31°C (88°F). However, September experiences significantly more rainfall, totaling 209 mm (8.2 in) over 26 days compared to July's 156 mm (6.1 in) over 27 days. Additionally, September has a slightly higher humidity level at 82%, compared to July's 81%. For more detailed insights on July weather, visit Weligama weather in July.

In comparing the weather between August and September, we see that both months are quite warm and humid, with September slightly cooler overall. September boasts a minimum temperature of 23°C (74°F) and an average of 26°C (80°F), compared to August's minimum of 24°C (75°F) and average of 27°C (80°F). While the maximum temperatures are quite similar, with September reaching up to 31°C (88°F) and August peaking at 30°C (87°F), September experiences significantly more rainfall, totaling 209 mm (8.2 in) over 26 days, whereas August recorded 170 mm (6.7 in) over 27 days. Despite these differences, both months maintain a consistent humidity level of 82%. For more detailed information about August weather, you can visit Weligama weather in August.

In comparing the weather of September and October, we see that both months share similar temperature ranges, with minimums at 23°C (74°F), average temperatures around 26°C (80°F), and maximums reaching 31°C (88°F). However, October tends to be slightly wetter, with a total precipitation of 258 mm (10.2 in) over 27 days compared to September's 209 mm (8.2 in) over 26 days. This slight increase in rainfall and a marginally higher humidity level of 83% in October suggest a more humid atmosphere as the month progresses. For a detailed outlook on October's weather, you can check Weligama weather in October.

In comparing the weather between September and November, both months exhibit similar temperature patterns, with minimum temperatures around 23°C (74°F), average temperatures at 26°C (80°F), and maximum temperatures reaching 31°C (88°F to 89°F). However, November experiences a higher level of precipitation, totaling 261 mm (10.3 in) compared to September's 209 mm (8.2 in), while both months have 26 days of recorded precipitation. Humidity levels are slightly lower in November at 81%, compared to September's 82%. For more detailed information, you can check Weligama weather in November.

In September, the weather is characterized by a range of warm temperatures with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), accompanied by significant rainfall of 209 mm (8.2 in) over 26 days. The humidity remains consistently high at 82%. In contrast, December sees slightly warmer days, with a maximum temperature of 32°C (89°F) and a similar minimum temperature of 22°C (73°F). Precipitation decreases to 188 mm (7.4 in) over 21 days, while the humidity remains constant at 82%. For a detailed look at weather patterns, visit Weligama weather in December.

Compare Weligama's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Weligama

As September unfolds in Weligama, expect a blend of warmth and humidity that sets it apart from the drier months. With temperatures typically ranging from mild to warm, the air feels thick with an average humidity of 82%, creating a tropical embrace. However, this month also brings a significant amount of rainfall, as almost every day sees some precipitation, making it one of the wettest times of the year. The lush landscapes flourish, providing a vibrant backdrop to the otherwise tranquil beach town. For those interested in the nuances of Weligama's climate throughout the year, the detailed insights found at Weligama Climate are invaluable.